Medals are seen on the coat of a member of the Royal Gibraltar Regiment, during the 21-gun salute, to mark the 91st birthday of Britain's Queen Elizabeth II, in the British overseas territory of Gibraltar, historically claimed by Spain, April 21, 2017. REUTERS/Jon Nazca

Medals are seen on the coat of a member of the Royal Gibraltar Regiment, during the 21-gun salute, to mark the 91st birthday of Britain's Queen Elizabeth II, in the British overseas territory of Gibraltar, historically claimed by Spain, April 21, 2017. REUTERS/Jon Nazca